This issue seems generic to level triggered interrupts as well as RTC
interrupts. It looks like KVM hacks around the issue with level
triggered interrupts by clearing the remote IRR when an IRQ is
reconfigured. Seems like an (admittedly lossy) way to handle this
issue with the RTC-IRQ would be to f
On Mon, Feb 29, 2016 at 04:12:42PM +0100, Paolo Bonzini wrote:
> > This information is then used to match EOI signals from the
> > guest to the RTC. This explicit back-tracking fixes the
> > issue.
>
> Nice patches, really. Ok to wait until 4.6?
Thanks. Putting them into v4.6 is fine for me.
On 29/02/2016 16:04, Joerg Roedel wrote:
> Hi,
>
> here is a small patch-set to fix a race condition which
> happens when an RTC-IRQ is migrated to another VCPU while it
> is being handled by the guest.
>
> The RTC-EOI handling in KVM requires that all sent interrupt
> messages to the VCPUs nee
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